Plug cutter



FIG. 1 is a top plan view of a plug cutter showing my new design;

FIG. 2 is a front elevation thereof;

FIG. 3 is a side elevation thereof;

FIG. 4 is an enlarged cross-section taken on line 4--4 of FIG. 2; and

FIG. 5 is a top perspective view thereof. 

The ornamental design for a plug cutter, as shown. 